Punching-machine.



L. M. POTT". PUNGHING MACHINE. APPLIUATION FILED Amm, ma. nBNnwnn APB.11. 1914.

Patented Aug. 4 1914.

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PUNGHING MACHINE.

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PUNCHING MACHINE. APPLIUATION FILED APR.1,1910. RBNBWBD APR.17,1914.

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LOUIS MixwELLrorrs, or BALTIMORE, MaRYLA'Nn, Assmann, :BY MESNE ASSIGN-A MENTS, To AUSTIN MOLANAHAN, or BALTIMORE, MARYLAND.

PUNCHING-MACHINE.

Specication of Letters Patent.

Patented Aug. et, .1914.

Original application led June 17, 1909, Serial No. 502,785. Divided andthis application led April 1, 1910, Serial No. 552,915. Renewed April17, 1914. Serial No. 882,629.

To all whom it may concern:

Be it known that I, LOUIS MAxwiiLI. Io'ivrs, a citizen of the UnitedStates, residing at the city of Baltimore and State of Maryland, haveinvented certain new and useful Improvements in. Punching-.Machines,ofwhch the following 1s a specifica- `tion.

This invention relates more especially to 'that class of unchingmachines which are used for puncliing blanks or sheets for controllingautomatic telegraph transmitters linotype, type setting, type -castinganc other machines whose operation v1s controlled or effected by meansof a perforated 'or equivalent blank or sheet, the said invention havingbeen originally embodied in an 'application for Letters Patent of theUnited States :tor improvements in telegraphy iled by me on theseventeenth day of June, 1909, Serial No. 502,785.

In order that my said invention in ay be clearly understood, I shall nowdescribel in detail with reference to the accompanying drawings aspecific embodyment thereof and later point out what I claim. t

In the accompanying drawings, Figure l, is a front view of a telegraphblank for automatic transmission as prepared by my said machine; Fig. 2,a diagram showing the system ot' code combinations employed 1nperforating a message blank; Fig.,3, a front view partly in section andpartly in elevation of one form ofthe machine forming the subject of thepresent invention, many of the parts being omitted for the sake ofclearness in the drawing. Fig.- 4, al side elevasf tion of said machine;Fig. 5, a sideelevation partly in vertical section of said machine;Figs. 6 to 19, inclusive, details of the punching mechanism of saidmachine; Fig.

20, a top plan view of the lower portion .of said machine showing thoseparts located in the bottom of the machine with the upper frame portionofthe machine removed; Fig. 21, a top plan View partly in section online,

2lx2lx, Fig. 5, showing the various operat' ing clutches, thecombination b ars and related parts; Fig. 22, a back view of saidclutches and connected parts, showing alsov the backing screw, ,aport-ion of the printer carriage and other related parts; Fig. 23, a

detail sideeleva-tion partly in section, of the;

a orion.

spacingclutch; Fig. 24, a similar view of the lining clutch; Fig. 25, anend view of the normally stationary member of the lining clutch; Fig.26, a similar view of the backing clutch; Fig. 27, a detail perspectiveview of the clutch pin ot' the spacing and other clutches; Fig. 28, aperspective view of some of the mechanism which operates with the saidclutches to effect the operations of spacing, lining, backing andblanking Fig. 29, a detail cross section through some orf the slidingbars shown in Fig. 2S, showing the relative positions ofthe loopscarried by said hars and the arms with which Ithey cooperate; Fig. 30, afragmentary detail view partly in elevation and partly in section ot thespacing clutch and its operating magnet, showing the connection betweenthe two, and showing also the connection between the spacing clutch andthe spacing screw shaft; Fig. 31, a fragmentary detail View partly insection and partly in elevation of the actuating bar mechanism showingthe connection between this mechanism and the rocking shaft of thestripper plateV combination hars together with a sliding bar and latchmechanism and related parts which coperate with said combination bars;Fig. 35, an enlarged detail fragmentary elevation to illustrate themanner of supporting said combination bars; Fig. 3G, a section on lineBGL-30X, Fig. 35; Fig. 37, an enlarged detail perspective view showingthe supporting frame and rods for the key levers; Fig. 38, adiagrammatic view showing the arrangement of slots in thc combinationbars; Fig. 39, a semi-diagrainmatic view showino the arrangement of lugson the actuating liars; Fig. 40, a diagram showing an arrangement ofthecircuit ot' the spacing magnet, and controlling contact device therefor;Figs. 41 to 44, inclusive, detail views of said contact controllingdevice, shownig various steps 1n its operation, Fig. 45, a bottom planview of the paper 'carriage removed from thema-- tails of the spacingand backing screws and some of their coperating parts; Fig. 55, a detailside elevation showing the relation between the lifting bary lever`mechanism and the cam which operates the'same; Fig. 56, a detail Viewshowing partly in section and partly in elevation the arrangement ofgears for transmitting motion to the linin shaft,'and the mechanism onthe end.. of said shaft for rotating the same independently of the powermechanism; Fig.` 57, a

section on line GTX- 57", Fig. 56 looking to the left; Fig. 58, asection on line 58x-58X, Fig. 56; Fig. 59, a section on line .GSV-59",

Fig. 56; Fig. 60, a detail semi-diagrammatic View to show thearrangement of the successive telegraph blanks on a continuous roll ofpaper; Fig. 6l, a fragmentary detail top plan view to illustrateprincipally the arrangement of the. cams for operating the blankingmechanism; Fig. 62, a detail view partly in side elevation and partly insection to. further illustrate the mechanism whereby the said camsoperate the blanking mechanism; Fig. 63, a detail lview partly insection yand partly in elevation to show the connection between thelining clutch and 'the shafts which carry said cam mechanism,

\ I shall first describe a form of perforated blank prepared by my saidmachine, and will then take up the description of the Inachine itself indetail, Such perforated blank is shown in Fig. 1, and in this particularcase is a telegraph blank comprising a sheet of paper or other suitablematerial bearing.

,. among other things, a message impressed thereon `both in printedcharacters and code perforations, the said printed matter and codeperforations beingarranged in lineto-line form so that the intelligencereads from the end of one line to the commence ment of the nextline ason the ordinary printed page, each printed character occupy-l ing aposition next above the code perforaltions corresponding thereto.

In addition to the code perforations which correspond to the printedcharacters-and I use the term characters to include letters, numerals,punctuation marks, signs and the like--there are certain otherperforations,

hereinafter more particularly described,

which act solelyto control mechanical operations, such for example, ascausing a machine tol spa ce, to feed a blank up to a new line, to shifta carriage back to the commencement of its travel, and to feed a newblank into the operating position. rl.`he funct-ion of these lastmentioned perforations,

however, will be more clearly understood.

from the detail description of the machine itself.

The rows of circles along the two side edges of the telegraph blank,represent perforationsy employed in feeding the sheet in the machines,as will hereinafter more fully appear. The code perforations of thesecontrolling blanks are arranged in prearra'nged combinations so thateach combination shall represent a different character or certai-ioperations as above pointed out. The present machine therefore must beso arranged as to select the combination of punchesgcorresponding tosuch perforations to be elf-- fected.

The system of combinations upon which is based the Iarrangement of thecode perforations on the message blank shown is clearly illustratedinthe diagram Fig. 2. Referring to this` diagram, let the line of char-`acters and other signals extending horizontally across the top of thediagram represent the various transmittable characters and othersignals. For all of these characters and the other signals indicated,there are eight code positions, -indicated on .the left in the diagram(Fig. 2) by the vertical zigzag row of eight round dots. These positionspassing from 'the top to the bottom of the vertical row referred to,shall be called the a, I), c, d, e, f, g and t positions, respectively.Each of such code positions is determined by the vertical distance fromeach end of the row and by the horizontal position on either side of animaginary line indicated by the dotted line :1a-y, passing verticallythrough said zigzag row. Each code character or signal is formed by oneor more perforations occupying a' different one or combination of vsuchpositions. For example, for the letter A the perforations occupy the aand d positions; for the letter 13, the?) and f positions; for 0, the Z)and g positions, and so on 'through the alpha bet. The numerals, back,line, blank and four other miscellaneous signals are, in the case shown,formed each by the combination of three positions. For example, the codenumeral 1 is formed by perforations in the b, e and it positions; theback signal, which will be more readily understood later, is formed byperforations in a, b and g positions, and the dollar mark by the d, eand f positions. The punctuation marks' and space signal occupy but onecode position each. Such a system of combinations possesses a decidedadvantage over a system ico where each signal, is represented by oneposition only, or two positions only, or three positions only, inthat'the signals to be transmitted are not so long; and the perforationswhen arranged in the code positions may be compressed into a smaller'vertical space, the latter being an important consideration when thecode perforations ,come between lines of printed characters. asystemfhas an advantage also over a system which uses all -combinationsin a promiscuous way, as the employing of the same number of positionsor combinations for the numerals as for the characters, in that itprovides against errors and also for readily detecting them, all asfully pointed out in said application.

Passing next to the description of the machine itself (Figs. 3 to 63inclusive) the printing in this machine is efi'ected by sending type 1,carried by pivoted bars 2 into engagement with a suitable inked ribbon3, which passes in front of the paper 4, upon which the printing isdone. This paper in turn passes in front` of a suitable platen 5,

' which may consist of a piece of rawhide or othersuitable materialclamped rigidly to the cro-ss frame 6 of the machine by a anged plate 7,held rigidly'against said frame by means of screws 8.

No particular form of ribbon or ribbonfeeding mechanism is claimed as apart of this invention, and as suchv mechanisms are well known it isunnecessary here to go into a` detailed description of this feature.

The punching iseffected by` causing lugs 9 on the type heads 10 of thestriker bars to drive punching pins-through thepaper. These lugs arearranged on said striker heads in such manner as to operate theircorresponding punches, that is, the lug or lugs on each striker bar headare in code formation correspondingr to the perforations to be produced.For example, thestriker bar head for the letter A would have two ludisposed so as to strike the anvils which operate the punching pins inthe a. and (l positions. and so on with the other combinations. Thispunching mechanism is shown in detail in Figs. G to 19, inclusive.

The punching pins comprise each a preferably cylindrical shank portion11, the shearing end ,of which is serrated, as at 12, to more readilycut the paper. The shanks of these pins pass through and arelongitudinally slidable in holes 13 in a stripper plate 14, and incorresponding holes 15, in the upper end of a plate 16, screwed orotherwise made fast to the front plate 17 of the machine.l These pins inthe present machine are eight in number, staggered as shown so as tooccupy a small space vertically. The positions occupied by these pinscorrespond to the code position of the eight round dots forming thezig-zag row Such atthe left hand end of Fig. 2.` Flach of these pins isprovided with an elongated head 18. The heads ot' these punching pinsare prevented from turning by a simili piu located as indicated at 18,Fig. 7. Resting respectively upon these heads, are a series of eightanvils 19, pivoted upon stud-2() screwed into a plate 21 secured toplate 1G by screws 22 passing through slots 23 in plate 21. These anvils'are so arranged that their headsvresting upon the heads of the punchingpins, are adapted to he struck by the combination lugs 9, on the strikerbar heads, and thnsiact to force the punchingT pins through the paper.Immediately after the said pins have heen forced through the paper, theyare drawn hack therefrom by ymeans of the stripper plate llt, which atthat time moves away from the paper, and, engaging the heads of thesepins which have been operated, carries them out of engagement with thepaper. This stripper plate is slidably mounted on two forwardlyextending pins 24. carried by the plate 1G, the said stripper platebeing for this purpose provided with guide sleeves 25, which slide onsaid pins. A shearing plate Q6 is located just in the rear of the row ofholes through which the punchingr pins pass in the plate 1G, and isprovided with a similar arrangement of holes 27, adapted to registerwith the shearing ends of the punching pins. This shearing plate is madefast to the frame (i of the machine in any suitable way, the frame ofthe machine being cut away, as at 28 to allow the punchiugs to fall intoa pan or other suitable receptacle hereinafter more particularlyreferred to. The necessary motion is imparted to the stripper' platethrough trunnions Q9 at its ends, which engage in vertical slots 30 inthe upper ends otl lever arms 31, made fast to a rock shaft 32,journaled near one end in brackets 33 made fast to the 'front plate 17and at its other end in the frame of the machine (see Fig. 3). Thisshaft 32 is actuated through a lever 34, connected to certain powermechanism, which will be hereinafter more particularl)r described,through a pin 34 working in a forked end 34 of arm 54-, there beingconsiderable lost motion between said fork and pin, thereby impartinghut slight movement. to arm 31 as compared with the movement of pin 34,(See Fig. 31).

In this punching mechanism no springs are required to return the punchesto their normal positions, and, therefore, when these punches are drivenforward into the paper there is no resistance to be overcome,other

